Question: What is the part of the grammar that deals with the history or origin of the words of {Planck time}, that has {doctoral student} is {Walther Bothe} ?
Paraphrase: What is the phase of the grammar that offers with the records or starting place of the words of {Planck time}, that has {doctoral student} is {Walther Bothe} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q202642 wdt:P138 ?answer . ?answer wdt:P185 wd:Q76474}
Answer: Max Planck